Taxon - Links and literature
subspecies
Northern Channel-billed Toucan
Ramphastos vitellinus vitellinus M. H. C. Lichtenstein, 1823
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [as Ramphastos vitellinus vitellinus Lichtenstein, MHK, 1823]Data retrieved on: 22 April 2021
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [as Ramphastos vitellinus vitellinus]Data retrieved on: 7 April 2013